A square connector, a connector device and a connector assembly

Abstract

The utility model discloses a square connector, connector device and connector subassembly. In the square connector, the square structure four edges all are equipped with 4N pin positions, and the pin positions numbered 4K+1, 4K+2, 4K+3, 4K+4 positions in order are taken as a group of pin positions, and four groups of pin positions can be configured. In the connector subassembly, the connector of the first square selects one group of configuration pins and connects the data line, and the connector of the second square is based on four groups of pin positions and configures the corresponding four groups of pins, and the four groups of pins are connected with four groups of data lines respectively. Thus, the connector of the first square can be connected with the connector of the second square in four directions respectively, and is connected with a group of data lines of the connector of the second square respectively, and each direction corresponds to a group of data lines. Thus, the pin wear of each edge is relatively balanced, the force of the reed as the pin is more balanced, and the pin connection of the connector of both sides is more reliable.

Description

Technical Field

[0001] This utility model relates to data cable plug-in connection technology. Background Technology

[0002] With technological advancements, various electronic devices are becoming increasingly modular. Modular stacking allows for more mature and stable manufacturing of each module, at a lower cost, and can meet the diverse needs of different users. When electronic device modules are stacked and interconnected, corresponding data interfaces are required. In more flexible modular stacking methods, modules may even need to be able to interface in different orientations. For example, with a fixed main electronic module, the auxiliary electronic module that interfaces with it can face any of the four cardinal directions (north, south, east, west). In conventional devices, universal joints could be used for such orientation matching, but they are unsuitable for situations with numerous data cables. Therefore, in the traditional approach, the main electronic module needs four different oriented data interfaces, each corresponding to one of the four cardinal directions. Thus, when an auxiliary electronic module interfaces with it, its terminals can connect to these four different oriented data interfaces to match the auxiliary module's orientation. Since configuring four different oriented data interfaces is complex, it's possible to integrate these interfaces into a single square interface. In this simplified approach, the pins on each side of this square interface correspond to a different orientation. This simple approach can lead to uneven lateral force on the springs acting as pins, affecting the reliability of the pin connections between the two interfaces when they are connected. Summary of the Invention

[0003] The problem this invention aims to solve is that when square interfaces are connected in different orientations, the springs acting as pins are prone to uneven lateral force, affecting the reliability of the pin connection between the two interfaces.

[0004] To solve the above problems, the present invention adopts the following solution: According to the present invention, a square connector includes a first connector body and a first data line. The first connector body is a square structure. The four sides of the square structure of the first connector body are provided with first pin positions and first pins. The first pins are disposed on the first pin positions. Each side of the square structure of the first connector body has 4N pin positions, numbered sequentially in the R direction as 1, 2, 3, 4, ..., 4N. The first pin position numbered 4K+1 on the first side, the first pin position numbered 4K+2 on the second side, the first pin position numbered 4K+3 on the third side, and the first pin position numbered 4K+4 on the fourth side of the square structure of the first connector body are valid pin positions, where K takes values ​​from 1 to N-1. The first data line is connected to the first pin on the valid pin position. The first, second, third, and fourth sides of the square structure of the first connector body are the four sides of the square structure of the first connector body arranged sequentially in the R direction. The R direction is either clockwise or counterclockwise.

[0005] Furthermore, according to the square connector of this utility model, the number of the first data lines is 4N, or 4N-1, or 4N-2, or 4N-3.

[0006] Furthermore, according to the square connector of this utility model, the number of the first pins is the same as the number of the first data lines.

[0007] Furthermore, according to the square connector of this utility model, the connector is either a male or a female connector.

[0008] According to the present invention, a connector includes a first connector and a second connector; the first connector is a square connector as described above; the second connector is provided with a second pin; the second pin is connected to a first data line on the first connector, such that the second pin is connected to the first pin through the first data line.

[0009] A connector assembly according to the present invention includes a first connector and a third connector; the first connector is a square connector as described in the claims; the third connector is paired with the first connector and can be plugged into each other; the third connector includes a third connector body; the third connector body is a square structure that matches the first connector body; each side of the square structure of the third connector body is provided with N third pins, and the positions of the third pins correspond one-to-one with the first pin positions on the first connector.

[0010] Furthermore, the connector assembly according to this utility model also includes four fourth connectors; each fourth connector is provided with a fourth pin; 4N third pins are provided on each side of the square structure of the third connector body, numbered 1, 2, 3, 4, ..., 4N in the R direction; the third pins at positions 4K+1 on the first side, 4K+2 on the second side, 4K+3 on the third side, and 4K+4 on the fourth side of the square structure of the third connector body form a group of third pins, and four groups of third pins corresponding to the fourth connectors are formed by cycling the four sides; the first, second, third, and fourth sides of the square structure of the third connector body are the four sides of the square structure of the third connector body arranged in the R direction; each third pin of the third pin group is connected to the fourth pin on the corresponding fourth connector through a second data line, so that when the first connector and the third connector are plugged in, the first data line on the first connector is connected to the fourth pin on one of the fourth connectors.

[0011] Furthermore, the connector assembly according to this utility model also includes a second connector; the second connector is provided with a second pin; the second pin is connected to a first data line on the first connector, so that the second pin is connected to the first pin through the first data line.

[0012] The technical effects of this utility model are as follows: Under the technical solution of this utility model, when the two plugs are connected, the number of pins on the four sides of the square is the same regardless of the direction of the plug. The number of pins connected on the four sides of the square is the same for both plugs, the springs that serve as pins are subjected to more balanced force, and the connection between the two is more reliable. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the first connector device embodiment of this utility model.

[0014] Figure 2 This is a schematic diagram of the overall structure of the second connector embodiment of this utility model.

[0015] In the above figures, 100 is the first connector, and 200 is the second connector; 110 is the first connector, 111 is the first connector body, 112 is the first pin, 113 is the first pin, and 119 is the first data line; 120 is the second connector, 121 is the second connector body, and 123 is the second pin; 210 is the third connector, 211 is the third connector body, 212 is the second pin, 213 is the third pin, and 2111 is the connector hole. 220 is the fourth connector, 220a-220d are four fourth connectors, 221 is the fourth connector body, and 223 is the fourth pin. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings.

[0017] A connector assembly, comprising Figure 1 The first connector 100 shown and Figure 2 The second connector 200 is shown. The first connector 100, also known as the connector described above, includes a first connector 110 and a second connector 120 connected together. The second connector 200 includes a third connector 210 and four fourth connectors 220 connected to the third connector 210. The first connector 110 has a first pin 113, the second connector 120 has a second pin 123, the third connector 210 has a third pin 213, and the fourth connector 220 has a fourth pin 223. The four fourth connectors 220 are designated as fourth connector 220a, fourth connector 220b, fourth connector 220c, and fourth connector 220d. The first connector 110 and the third connector 210 are both square structures, paired together, and can be plugged into each other. When the first connector 110 and the third connector 210 are plugged into each other, the first connector 110 can rotate in four different directions relative to the third connector 210 for plugging. After the first connector 110 and the third connector 210 are plugged in in four different directions, the second connector 120 can be connected to the four fourth connectors 220 through the connection of the first pin 113 on the first connector 110 and the third pin 213 on the third connector 210. In other words, the four plugging directions between the first connector 110 and the third connector 210 correspond to four different connections. After plugging in the first insertion direction, the second connector 120 connects to the fourth connector 220a; After plugging in the second insertion direction, the second connector 120 connects to the fourth connector 220b; After plugging in the third insertion direction, the second connector 120 connects to the fourth connector 220c; After plugging in the fourth insertion direction, the second connector 120 connects to the fourth connector 220d.

[0018] Specifically, the first connector 110, also known as the square connector mentioned in the aforementioned invention, includes a first connector body 111 and a first data line 119. The first connector body 111 has a square structure. First pins 113 are provided on the four sides of the square structure of the first connector body 111. The second connector 120 includes a second connector body 121. Second pins 123 are provided on the second connector body 121. The first pins 113 on the first connector body 111 are connected to the second pins 123 on the second connector body 121 via the first data line 119, thereby connecting the first connector 110 and the second connector 120 via the first data line 119.

[0019] The third connector 210 includes a third connector body 211. The third connector body 211 is a square structure that matches the first connector body 111. The square structure of the third connector body 211 has third pins 213 on its four sides. Specifically, in this embodiment, the matching square structure means that the first connector body 111 is a prism with a square cross-section, and the third connector body 211 has a square-cross-section connector hole 2111 for the first connector body 111 to be inserted into. The third pins 213 are located on the four sides of the square connector hole 2111. The mutual insertion between the first connector body 110 and the third connector body 210, specifically in this embodiment, means that the first connector body 111 is inserted into the connector hole 2111 of the third connector body 211. When the first connector body 111 is inserted into the connector hole 2111 of the third connector body 211, the first pin 113 on the first connector body 111 contacts and connects with the third pin 213 on the third connector body 211.

[0020] In other words, in this embodiment, the first connector 110 is a male connector, and the third connector 210 is a female connector that matches the male connector of the first connector 110. Those skilled in the art will understand that the first connector 110 can also be configured as a female connector, and the third connector 210 as a male connector that matches the female connector of the first connector 110.

[0021] In this embodiment, both the first connector 111 and the third connector 211, which have a square structure, are equipped with 4N pins on each of their four sides, for a total of 16N pins. The pins on the first connector 111 are designated as first pins 112, and the pins on the third connector 211 are designated as second pins 212. Furthermore, the pins on the four sides of the square connectors 111 and 211 are symmetrical, ensuring that no matter how the connectors 111 and 211 are interlocked, each of the 4N first pins 112 on each side of the first connector 111 corresponds to one of the 4N third pins 212 on each side of the third connector 211.

[0022] Specifically, for example, the four sides of the square structure of the first connector 111 are defined as sides A, B, C, and D, respectively; similarly, the four sides of the square structure of the third connector 211 are defined as sides A, B, C, and D, respectively. As mentioned above, there are four possible connection directions between the first connector 110 and the third connector 210.

[0023] When the first connector 110 and the third connector 210 are connected in the first insertion direction, side A of the first connector 111 faces side A of the third connector 211, side B of the first connector 111 faces side B of the third connector 211, side C of the first connector 111 faces side C of the third connector 211, and side D of the first connector 111 faces side D of the third connector 211. At this time, the 4N first pins 112 on side A of the first connector 111 correspond one-to-one with the 4N second pins 212 on side A of the third connector 211, the 4N first pins 112 on side B of the first connector 111 correspond one-to-one with the 4N second pins 212 on side B of the third connector 211, the 4N first pins 112 on side C of the first connector 111 correspond one-to-one with the 4N second pins 212 on side C of the third connector 211, and the 4N first pins 112 on side D of the first connector 111 correspond one-to-one with the 4N second pins 212 on side D of the third connector 211.

[0024] When the first connector 110 and the third connector 210 are connected in the second insertion direction, side A of the first connector 111 faces side B of the third connector 211, side B of the first connector 111 faces side C of the third connector 211, side C of the first connector 111 faces side D of the third connector 211, and side D of the first connector 111 faces side A of the third connector 211. At this time, the 4N first pins 112 on side A of the first connector 111 correspond one-to-one with the 4N second pins 212 on side B of the third connector 211, the 4N first pins 112 on side B of the first connector 111 correspond one-to-one with the 4N second pins 212 on side C of the third connector 211, the 4N first pins 112 on side C of the first connector 111 correspond one-to-one with the 4N second pins 212 on side D of the third connector 211, and the 4N first pins 112 on side D of the first connector 111 correspond one-to-one with the 4N second pins 212 on side A of the third connector 211.

[0025] When the first connector 110 and the third connector 210 are connected in the second insertion direction, side A of the first connector 111 faces side C of the third connector 211, side B of the first connector 111 faces side D of the third connector 211, side C of the first connector 111 faces side A of the third connector 211, and side D of the first connector 111 faces side B of the third connector 211. At this time, the 4N first pins 112 on side A of the first connector 111 correspond one-to-one with the 4N second pins 212 on side C of the third connector 211, the 4N first pins 112 on side B of the first connector 111 correspond one-to-one with the 4N second pins 212 on side D of the third connector 211, the 4N first pins 112 on side C of the first connector 111 correspond one-to-one with the 4N second pins 212 on side A of the third connector 211, and the 4N first pins 112 on side D of the first connector 111 correspond one-to-one with the 4N second pins 212 on side B of the third connector 211.

[0026] When the first connector 110 and the third connector 210 are connected in the second insertion direction, side A of the first connector 111 faces side D of the third connector 211, side B of the first connector 111 faces side A of the third connector 211, side C of the first connector 111 faces side B of the third connector 211, and side D of the first connector 111 faces side C of the third connector 211. At this time, the 4N first pins 112 on side A of the first connector 111 correspond one-to-one with the 4N second pins 212 on side D of the third connector 211, the 4N first pins 112 on side B of the first connector 111 correspond one-to-one with the 4N second pins 212 on side A of the third connector 211, the 4N first pins 112 on side C of the first connector 111 correspond one-to-one with the 4N second pins 212 on side B of the third connector 211, and the 4N first pins 112 on side D of the first connector 111 correspond one-to-one with the 4N second pins 212 on side C of the third connector 211.

[0027] The 4N pins on the four sides of the first connector 111 and the third connector 211 of the square structure can be numbered 1, 2, 3, 4, ..., 4N in the R direction. Pins numbered 4K+1, 4K+2, 4K+3, and 4K+4 on each side in the R direction form a group of pins, allowing for four groups of pins. Specifically, the pin at position 4K+1 on the first side, the pin at position 4K+2 on the second side, the pin at position 4K+3 on the third side, and the pin at position 4K+4 on the fourth side of the square structure form a group of pins, thus creating four groups of pins. Here, the first, second, third, and fourth sides are the four sides of the square structure arranged in the R direction. The R direction can be clockwise or counterclockwise. Figure 1 and Figure 2 In the illustration, the arrow used to indicate the direction of R is counterclockwise, but this does not prevent those skilled in the art from understanding that the direction of R can also be clockwise.

[0028] Reference Figure 1 and Figure 2 For example, if N is 5, then the first connector 111 and the third connector 211 of the square structure each have 20 pins on their four sides, for a total of 80 pins. In this case, according to the definition of A, B, C, and D on the four sides of the square structure, these pins can be numbered as: A1~A20, B1~B20, C1~C20, D1~D20.

[0029] Taking side A as the first side, and sides B, C, and D as the second, third, and fourth sides respectively, the following first group of pin positions can be formed: A1, A5, A9, A13, A17; B2, B6, B10, B14, B18; C3, C7, C11, C15, C19; D4, D8, D12, D16, D20.

[0030] Taking side B as the first side, and sides C, D, and A as the second, third, and fourth sides respectively, the following second group of pins can be formed: B1, B5, B9, B13, B17; C2, C6, C10, C14, C18; D3, D7, D11, D15, D19; A4, A8, A12, A16, A20.

[0031] Taking side C as the first side, and sides D, A, and B as the second, third, and fourth sides respectively, the following third group of pins can be formed: C1, C5, C9, C13, C17; D2, D6, D10, D14, D18; A3, A7, A11, A15, A19; B4, B8, B12, B16, B20.

[0032] With side D as the first side, and sides A, B, and C as the second, third, and fourth sides respectively, the following fourth group of pins can be formed: D1, D5, D9, D13, D17; A2, A6, A10, A14, A18; B3, B7, B11, B15, B19; C4, C8, C12, C16, C20.

[0033] In other words, each of the above-mentioned pin groups contains 4N pins, and there are no overlapping pins between the four pin groups, which exactly covers all 16N pins. Specifically, in this embodiment where N is 5, each pin group contains 20 pins, and there are no overlapping pins between the four pin groups, which exactly covers 80 pins.

[0034] Pin positions are used to configure pins, or in other words, the pins on a connector are configured on pin positions. Specifically, in the first connector 110, the first pin 113 is configured on the first pin position 112, and the four sets of pin positions are four sets of first pin positions 112; specifically, in the third connector 210, the third pin 213 is configured on the second pin position 212, and the four sets of pin positions are four sets of second pin positions 212.

[0035] In the first connector 110, one of the four sets of first pin positions 112 is designated as a valid pin position. Specifically, the first pin position 112 at position 4K+1 on the first side, position 112 at position 4K+2 on the second side, position 112 at position 4K+3 on the third side, and position 112 at position 4K+4 on the fourth side of the square structure of the first connector body 111 are valid pin positions. There are 4N valid pin positions. The first data line 119 connects to the first pin 113 on the valid pin positions. Specifically... Figure 1 In the illustration, the first group of pins mentioned above is used as the valid pins. That is, side A is the first side, and sides B, C, and D are the second, third, and fourth sides, respectively. The 20 valid pins are as follows: A1, A5, A9, A13, A17; B2, B6, B10, B14, B18; C3, C7, C11, C15, C19; D4, D8, D12, D16, D20.

[0036] In the third connector 210, the third pins 213 on the four sets of second pin positions 212 are respectively connected to the fourth pins 223 on the four fourth connectors 220 via the second data lines. For example, the third pin 213 on the first set of pins is connected to the fourth pin 223 on the fourth connector 220a; the third pin 213 on the second set of pins is connected to the fourth pin 223 on the fourth connector 220b; the third pin 213 on the third set of pins is connected to the fourth pin 223 on the fourth connector 220c; and the third pin 213 on the fourth set of pins is connected to the fourth pin 223 on the fourth connector 220d. Therefore: When the first connector 110 and the third connector 210 are plugged in the first plugging direction, the effective pins on the first connector 110 are aligned one by one with the first group of pins on the third connector 210, so that the first pin 113 on the effective pins of the first connector 110 is aligned one by one with the third pin 213 on the first group of pins on the third connector 210 and connected, thereby making the second pin 123 on the second connector 120 and the third pin 213 on the first group of pins on the third connector 210 connected one by one with the fourth pin 223 on the fourth connector 220a connected by the second data line; When the first connector 110 is rotated 90 degrees, so that the first connector 110 and the third connector 210 are plugged in according to the second plugging direction, the effective pins on the first connector 110 are aligned one by one with the second group of pins on the third connector 210, so that the first pin 113 on the effective pins of the first connector 110 is aligned one by one with the third pin 213 on the second group of pins on the third connector 210 and connected, so that the second pin 123 on the second connector 120 and the third pin 213 on the second group of pins on the third connector 210 are connected one by one with the fourth pin 223 on the fourth connector 220b connected by the second data line; When the first connector 110 rotates another 90 degrees, so that the first connector 110 and the third connector 210 are plugged in the third plugging direction, the effective pins on the first connector 110 are aligned one by one with the third group of pins on the third connector 210, so that the first pin 113 on the effective pins of the first connector 110 is aligned one by one with the third pin 213 on the third group of pins on the third connector 210 and connected, so that the second pin 123 on the second connector 120 and the third pin 213 on the third group of pins on the third connector 210 are connected one by one with the fourth pin 223 on the fourth connector 220c connected by the second data line; When the first connector 110 rotates another 90 degrees, so that the first connector 110 and the third connector 210 are plugged in the fourth plugging direction, the effective pins on the first connector 110 are aligned one by one with the fourth group of pins on the third connector 210. This makes the first pin 113 on the effective pins of the first connector 110 aligned and connected with the third pin 213 on the fourth group of pins on the third connector 210. As a result, the second pin 123 on the second connector 120 and the third pin 213 on the fourth group of pins on the third connector 210 are connected one by one with the fourth pin 223 on the fourth connector 220d connected by the second data line.

[0037] In simple terms, the first connector 110 and the third connector 210 are connected in four different directions, and the second connector 120 is connected to four different fourth connectors 220.

[0038] It should be noted that the third connector 210 is connected to the fourth connector 220 via the second data line. Although the second data line is not shown in the figure, it does not prevent those skilled in the art from understanding.

[0039] It should be noted that the first data line 119 is connected to the first pin 113 on the valid pin position, indicating that the first data line 119 is not connected to the first pin 113 on a non-valid pin position. The first pin 112 that is not a valid pin position is the first pin 112 other than the valid pin position. Therefore, in the first connector 110, whether the first pin 112 that is not a valid pin position has a first pin 113 is irrelevant; it can be set or not. Even if the first pin 112 that is not a valid pin position has a first pin 113, it is not connected to the first data line 119, which is equivalent to these first pins 113 being connected and left unused. In this embodiment, it is preferable that the first pin 112 that is not a valid pin position does not have a first pin 113.

[0040] Furthermore, in the first connector 110, not all valid pins necessarily have a first pin 113. Similarly, in the third connector 210, not all second pins 212 necessarily have a third pin 213. Whether all valid pins in the first connector 110 need to have a first pin 113, and whether all second pins 212 in the third connector 210 need to have a third pin 213, is related to the number of data lines. Typically, the number of pins (4N) on each side of the square structure of the first connector 111 and the square structure of the third connector 211 is determined based on the number of data lines. That is, N is determined by the number of data lines. Here, the number of data lines refers to the number of first data lines 119 in the first connector 110, and also the number of second data lines required for the fourth connector 220 to connect to the third connector 210, because the number of first data lines 119 in the first connector 110 is the same as the number of second data lines required for the fourth connector 220 to connect to the third connector 210. The method for determining N is as follows: N = int((c-1) / 4) + 1. Where c represents the number of data lines, and int represents rounding. For example, if the number of first data lines 119 is 20, 19, 18, or 17, the calculated N is 5. 4N is determined based on the fact that the required number of data lines for the first data line 119 is a multiple of 4. According to the above calculation formula, the 4N pins on each side of the square structure of the first connector 111 and the square structure of the third connector 211 mean that the corresponding number of first data lines 119 is 4N, or 4N-1, or 4N-2, or 4N-3. When the number of first data lines 119 is 4N, then in the first connector 110, all valid pins must have a first pin 113, and in the third connector 210, all second pins 212 must have a third pin 213. Otherwise, in the first connector 110, it is permissible for some valid pins not to have a first pin 113; in the third connector 210, it is permissible for some second pins 212 not to have a third pin 213. When the number of first pins 113 is the same as the number of first data lines 119, for example, if the number of first data lines 119 is 4N-1, the corresponding number of first pins 113 is also 4N-1, but the number of valid pins is 4N, it is obvious that there must be some valid pin that does not have a first pin 113.

[0041] Furthermore, it should be noted that in this embodiment, the first connector 100 includes a first connector 110 and a second connector 120; the second contact device 200 includes a third connector 210 and a fourth connector 220. In another optional embodiment, the second connector 120 or the fourth connector 220 can be omitted. For example, the first connector 110 can be directly connected to the controller via the first data line 119, while the second connector 120 is omitted. Similarly, the third pin 213 on the four sets of pins of the third connector 210 can be directly connected to the controller via the second data line, while the fourth connector 220 is omitted.

[0042] Additionally, it should be noted that, Figure 1 The first connector 110 is shown as a view of the end face of the second connector 110. Figure 2 The third connector 210 is viewed from a perspective opposite to the end face view. Therefore, the R direction in both figures is counterclockwise. If viewed from the end face view of the third connector 210, Figure 2 The direction of R in the diagram is the opposite, clockwise.

Claims

1. A square connector comprising a first connector body (111) and a first data line (119), characterized in that, The first connector (111) has a square structure; the four sides of the square structure of the first connector (111) are provided with first pin positions (112) and first pins (113); the first pins (113) are located on the first pin positions (112); the number of pin positions (112) on each side of the square structure of the first connector (111) is 4N, and they are numbered sequentially in the R direction as 1, 2, 3, 4, ..., 4N; the first pin position (112) on the first side of the square structure of the first connector (111) is numbered 4K+1, and the first pin position (112) on the second side is numbered 4K+1. The first pin (112) at position K+2, the first pin (112) at position 4K+3 on the third side, and the first pin (112) at position 4K+4 on the fourth side are valid pins, where K takes values ​​from 1 to N-1; the first data line (119) is connected to the first pin (113) on the valid pins; the first side, second side, third side, and fourth side of the square structure of the first connector (111) are the four sides of the square structure of the first connector (111) arranged in the R direction; the R direction is either clockwise or counterclockwise.

2. The square connector according to claim 1, wherein The number of the first data line (119) is 4N, or 4N-1, or 4N-2, or 4N-3.

3. The square connector of claim 2, wherein, The number of the first pins (113) is the same as the number of the first data lines (119).

4. The square connector according to claim 1 or 2 or 3, wherein The connector can be either male or female.

5. A connector device, characterized by It includes a first connector (110) and a second connector (120); the first connector (110) is a square connector as described in claim 1, 2, 3 or 4; the second connector (120) is provided with a second pin (123); the second pin (123) is connected to a first data line (119) on the first connector (110), so that the second pin (123) is connected to the first pin (113) through the first data line (119).

6. A connector assembly comprising: It includes a first connector (110) and a third connector (210); the first connector (110) is a square connector as described in claim 1, 2, 3 or 4; the third connector (210) is paired with the first connector (110) and can be plugged into each other; the third connector (210) includes a third connector body (211); the third connector body (211) is a square structure that matches the first connector body (111); each side of the square structure of the third connector body (211) is provided with 4N third pins (213), and the position of the third pins (213) corresponds one-to-one with the first pin position (112) on the first connector (110).

7. The connector assembly of claim 6, wherein, It also includes four fourth connectors (220); each fourth connector (220) has a fourth pin (223); 4N third pins (213) are arranged on each side of the square structure of the third connector (211) and numbered 1, 2, 3, 4, ..., 4N in the R direction; the third pins (213) at position 4K+1 on the first side, position 4K+2 on the second side, position 4K+3 on the third side, and position 4K+4 on the fourth side of the square structure of the third connector (211) form a group of third pins, and so on. The four sides of the ring form four groups of third pin groups, which are respectively corresponding to the fourth connector (220); the first side, the second side, the third side and the fourth side of the square structure of the third connector (211) are the four sides of the square structure of the third connector (211) arranged in the R direction; each third pin (213) of the third pin group is connected to the fourth pin (223) on the corresponding fourth connector (220) through the second data line, so that when the first connector (110) and the third connector (210) are plugged in, the first data line (119) on the first connector (110) is connected to the fourth pin (223) on one of the fourth connectors (220).

8. The connector assembly of claim 6 or 7, wherein, It also includes a second connector (120); the second connector (120) is provided with a second pin (123); the second pin (123) is connected to the first data line (119) on the first connector (110), so that the second pin (123) is connected to the first pin (113) through the first data line (119).

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